CN87215189U - Dewatering device - Google Patents

Abstract

The utility model discloses a horizontal dewatering device which is suitable for occasions where solid and liquid are difficult to separate by a common solid-liquid separation machine, and the horizontal dewatering device has conspicuous dewatering effect in particular for the light matters of plastics film, down feather, chemical fibre, etc. The dewatering device of the utility model mainly comprises a conical rotary drum, conic spiral conveyor, two speed regulating mechanisms, a water receiving tank, a protection hood cover, a protecting hood, a machine base, etc. The rotary drum and the spiral conveyor are rotated oppositely at certain different speed. The utility model has the advantages of compact structure, low energy consumption, small running noise, favorable dewatering effect, etc., and is an ideal dewatering device.

Description

Dewatering device

The utility model relates to solid-liquid separation mechanics, and particularly horizontal dewater unit is applicable to the dewatering machine of light weight materials such as plastic sheeting, eider down, chemical fibre.

Along with the development of plastics industry, particularly outstanding to reclaiming and utilizing waste plastics, particularly to the recycling of plastic sheeting.At present, China 90 percent all be with waste and old film through fragmentation, cleaning, flotation after with operations such as vibrating screen dehydrations.Generally all will be through four dehydrations, six dehydrations even.For example: Rashid Sidek Louth Ma Fei company and field, Amada Co., Ltd. river make in the useless film recovery machinery of being produced and all adopt dewatering machine four times.Whole vibration dewatering machine floor space is big, because film proportion is very light, particularly mulch film is not only thin but also light, is attached together each other, and washing lotion is wrapped in the inside, is difficult to make it separate with the vibration way.China's Beijing's material company that reclaims makes the useless film of introducing and reclaims production line from field, Amada Co., Ltd. river, wherein dewater unit is the vertical centrifugal separation machinery, it has a cylindrical shell with holes, do not rotate, there is one to turn at the cylindrical shell middle part, several iron blocks in spiral-shaped arrangement on the outer ring of turning, iron block size length * wide * height=120 * 4 * 40mm, arrangement position is 360 ° of uniform six iron blocks, each iron block with screw be fastened on turn on, each iron block stretches out the distance of the 40mm that turns, turns during operation and does rotation at a high speed, material from turn and cylindrical shell between from lower to upper, under centrifugal action, washing lotion is thrown on the cylindrical shell by throwing, and water is by the apopore on the cylindrical shell, flow to outside the cylindrical shell, reach the dried up purpose of branch.This equipment is to the film of thickness δ＞0.15mm; for example extruded plastic film dehydrating effect is better; whole streamline is through four dehydrations; but film to thickness δ＜0.15mm; particularly plastic film is just inapplicable; because mulch film δ＜0.015mm; very thin, matter is very light, especially polyolefin mulch film and food package film; under action of centrifugal force; easily film is thrown to and stops up apopore on the cylinder inboard wall, influence dehydrating effect, force mask work not carry out; usually shut down the back of fixing a breakdown and recover normal, be difficult to washing lotion is separated clean with the vertical centrifugal separation machinery.The centrifugation machinery that adopts " field, Japanese river makes institute " to make, it still has in film 35% water not separate as a result, after entering granulating working procedure, because moisture is big, plastic pellet, the particle produced are inhomogeneous, rough, the product that suppresses easily bubbles, and directly influences the outward appearance and the inherent quality of product, on the other hand, because moisture height in the film, force granulating working procedure at high temperature to carry out, big leap ahead of granulation time, like this, energy consumption increases, and poor effect.

The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, and a kind of compact conformation, horizontal dewater unit that dehydrating effect is good are provided.

Horizontal dewater unit of the present utility model, accompanying drawings is as follows: accompanying drawing is horizontal dewater unit schematic diagram.This device mainly is made up of rotary drum, auger conveyor, two speed adjusting gears, water receiving tank, protection cover cap and supports, bearing block, support etc.Its rotary drum is the rotary drum (17) that has the taper of apopore and discharge opening, and tapering is 1:25, and rotary drum (17) is gone up several apopores of uniform one-tenth triangular arranged.The right-hand member of rotary drum (17) is provided with two discharge openings (21) of radial symmetric, and hole shape can be rectangle or ellipse, and this hole is positioned at discharge bucket (27) corresponding position.The cylindrical of rotary drum (17) is provided with the fixing collar (32) more than two.The two ends of rotary drum (17) have left end cap (34) and right end cap (33) to join.Placing the cone-type spiral conveyer in the rotary drum (17) is to be made of rotating shaft (13,16) and helical blade (14), rotating shaft (13) is a hollow steel pipe, its right-hand member is provided with two charging apertures (20) of radial symmetric, left end links to each other with bearing block (12), belt pulley (10), bearing block (9), its end is connected with charging sebific duct (7) with joint (8), and charging sebific duct (7) does not rotate.Rotating shaft (13) matches by seam with rotating shaft (16) and becomes the coaxial line welding, rotating shaft (16) is made with No. 45 round steel, helical blade is that the steel plate with 5～10mm strikes out annulus, be sleeved on then in rotating shaft (13) and the rotating shaft (16), and become equidistant arrangement, be weldingly fixed in the rotating shaft, the helical pitch that makes auger conveyor is 150～250mm, lead angle is λ=30 °～60 °, and best helical pitch is 200mm, and lead angle is 32.5 °.The tapered auger conveyor of Vehicle Processing external diameter then.Rotary drum (cone-element) (17) is identical with cone-type spiral conveyer tapering, and the gap between the two is 0.5～3mm, is preferably 0.5～1mm.And be connected with two speed adjusting gears respectively, its direction of rotation is opposite, the speed governing difference.The speed of auger conveyor rotation is less than the rotary speed of rotary drum (17), and the ratio of general speed is: 1:10.Be provided with protection cover cap (15,18,19) above the rotary drum (17), the below of rotary drum is provided with a water receiving tank (29), and all available sheet metal or plastic plate are welded.If making, guide metal then also scribbles anticorrosive paint.Water receiving tank (29) is connected with flange (31) with outlet pipe (30), and isolated water still can be recycled.By the speed adjusting gear that buncher (1), screw (2), support (3), belt pulley (4,10), protective cover (5), belt (6), bearing block (9,12), left protective cover (11) are formed, drive the auger conveyor rotation.The speed adjusting gear of being made up of buncher (25), shaft coupling (23), bearing block (22), right protective cover (24), support (26) drives rotary drum (17) rotation.Available round steel of support (28) or angle steel or channel-section steel material are made.Left side protective cover (11) and the available sheet metal of right protective cover (24) or rigid plastic sheet are welded.

Dewater unit of the present invention, the course of work is performed such: with pump film to be separated and washing lotion suction charging sebific duct (7) are entered in the rotating shaft (13), enter in the rotary drum (17) from charging aperture (20) again, when the cone-type spiral conveyer rotates in rotary drum, the centrifugal force that is produced is discharged a large amount of washing lotions outside the rotary drum on the one hand, produced simultaneously another extruding force forward, film is compacted, and forces film to separate with washing lotion; On the other hand, rotary drum (cone-element) and cone-type spiral conveyer are counter-rotatings, the speed that the speed of rotary drum is rotated greater than the cone-type spiral conveyer widely, this has just produced a bigger shearing force between rotary drum and cone-type spiral conveyer, not only make the water that is wrapped in the film be easy to separate, and make because of centrifugal action is adsorbed on drum inner wall, the film that stops up apopore leaves obstruction place fast, thereby dehydrating effect is significantly improved.Automatically fall through two discharge openings (21) of the film after the dehydration, enter discharge bucket (27) then from rotary drum (17).

Dewater unit of the present invention, compact conformation, floor space is little, and energy consumption is low, and noise in operating is little, for the plastic sheeting of thickness less than 0.15mm, particularly polyolefinic mulch film, dehydrating effect is good, has only needed through twice dehydration just.The moisture about 15% in the rear film of dewatering for the first time just can meet the demands through twice dehydration.The plastic pellet of producing, uniform particles, smooth surface, the good product quality of moulding.And for the dehydrating effect of the material of light weights such as eider down and chemical fibre might as well, so, the applied range of this machine.

Embodiment:

Accompanying drawing has been described the architectural feature and the operation principle of horizontal dewater unit, and rotary drum (17) is tapered, and tapering is 1:25.The big small end of rotary drum joins with left end cap (34) and right end cap (33) respectively, and rotary drum (17) is gone up uniform the apopore of several triangular arranged, and the aperture is 4mm, and pitch-row is 12mm.In the right-hand member 500mm of rotary drum (17), be provided with two discharge openings of radial symmetric, be of a size of the slot of 350 * 150mm.The major part of rotary drum (17) is 300mm, and the microcephaly is 200mm, length overall 2500mm.The tapering of cone-type spiral conveyer is 1:25, and it is made up of rotating shaft (13,16) and helical blade (14).Rotating shaft (13) is the hollow steel pipe of φ 200, and long 580mm radially locates to be provided with the charging aperture (20) of two symmetries at its right-hand member, is of a size of 300 * 60mm, and it links to each other with the left end speed adjusting gear and communicates with charging sebific duct (7).Charging sebific duct (7) does not rotate.Rotating shaft (16) is No. 45 round steel of φ 100, long 2000mm, and it and rotating shaft (13) adopt seam to match and coaxial line is welded to connect.Helical blade (14) is that thickness is the steel plate of 5mm, striking out external diameter is φ 300mm, internal diameter is two kinds of annulus of φ 100mm and φ 200mm, and be set in the rotating shaft (13,16), becoming equidistant arranges, helical pitch is 200mm, blade lift angle λ=32.5 °, and be weldingly fixed in the rotating shaft (13,16).The left end of rotating shaft with by the buncher (25) of 3kw, right protective cover (24), shaft coupling (23), the speed adjusting gear that bearing block (22) is formed links to each other, make rotary drum (17) do anticlockwise, 500～800 rev/mins of rotating speeds, the left end of rotating shaft (13) with by the buncher (1) of 5.5kw, screw (2), support (3), belt pulley (4), protective cover (5), belt (6), bearing block (9), belt pulley (10), bearing block (12), the speed adjusting gear that left side protective cover (11) is formed links to each other, make auger conveyor do right rotation, rotating speed is 50～80 rev/mins.Gap between the inwall of rotary drum (cone-element) (17) and the external diameter of cone-type spiral conveyer is 0.5mm.Protective cover (15,18,19) and left and right sides protective cover (11,24) all use tank (29) all to be welded with the steel plate of δ=2mm.Outlet pipe (30) is the steel pipe of external diameter 150mm.

Claims (7)

1, a kind of horizontal dewater unit, it is characterized in that the rotary drum (cone-element) (17) that has one to have apopore and discharge opening, the two ends of rotary drum (17) have left end cap (34) and right end cap (33) to join, placing the cone-type spiral conveyer in the rotary drum (17) is by rotating shaft (13,16) and helical blade (14) constitute, its helical pitch 150～250mm, lead angle λ=30～60 °, rotating shaft (13) is a hollow steel pipe, its right-hand member is provided with two charging apertures (20) of radial symmetric, auger conveyor is that the coaxial line tapering is identical with rotary drum (17), gap between the two is 0.5～3mm, the best is 0.5～1mm, they are connected with two speed adjusting gears respectively, and its direction of rotation is opposite, and velocity ratio is 1: 10; Be provided with protection cover cap (15,18,19) on rotary drum (17), be provided with a water receiving tank (29) below rotary drum (17), water receiving tank (29) links to each other with outlet pipe (30).

2, dewater unit according to claim 1, it is characterized in that rotary drum (17) goes up uniform the apopore that becomes triangular arranged, the right-hand member of rotary drum (17) is provided with two discharge openings (21) of radial symmetric, hole shape can be rectangle or ellipse, and this hole is positioned at discharge bucket (27) corresponding position.

3, dewater unit according to claim 1 and 2 is characterized in that at the fixing collar (32) that is provided with on the cylindrical of rotary drum (17) more than two, rotary drum (17) and fixing collar (32) all are welded with the steel plate roll-in.

4, dewater unit according to claim 1, it is characterized in that the rotating shaft (13) of auger conveyor and rotating shaft (16) are to adopt the seam coaxial line that matches to be welded, helical blade (14) is the annulus that is dashed for the 5mm steel plate by thickness, be sleeved on then in the above-mentioned rotating shaft, become equidistantly to arrange and be weldingly fixed in the rotating shaft, its best helical pitch is 200mm, lead angle λ=32.5 °.

5, dewater unit according to claim 1 is characterized in that the speed of the speed of augur less than rotary drum (17) rotation, and the ratio of general speed is 1:10.

6, dewater unit according to claim 1, it is characterized in that two speed adjusting gears, the speed adjusting gear that the auger conveyor of being made up of buncher (1), screw (2), support (3), belt pulley (4), protective cover (5), belt (6), bearing block (9), belt pulley (10), bearing block (12), left protective cover (11) rotates, the speed adjusting gear that another rotary drum (17) of being made up of buncher (25), shaft coupling (23), bearing block (22), right protective cover (24) rotates.

7, according to claim 1 or 4 described dewater units, it is characterized in that the rotating shaft (16) in the auger conveyor makes with No. 45 round steel, water receiving tank (29) and protective cover (15,18,19) and left and right sides protective cover (11,24) available general steel plate or duroplasts are welded.

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